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1. 目的
识别桌面应用，并进行拦截处理
2. 源码相关
主要使用 Intent.CATEGORY_HOME 进行过滤判断
// using disable component instead of disable the whole app
// when enter/exit ultra-saving mode. See bug#819868
// to save the component that will be disable/enable during switch
private ArrayList<String> mLauncherAppComponentList = new ArrayList<>();
private ArrayList<String> mLauncherAppList = new ArrayList<>();
private String mCurrentHomeLauncher;
// default launcher app component list
private String[] mDefaultLauncherAppComponentList = new String[] {
"com.android.launcher3/.Launcher"
};
// apps that have HOME category, but is not a launcher app
private String[] mExceptionLauncherAppList = new String[] {
"android",
"com.android.settings",
"com.android.managedprovisioning",
"com.android.provision",
"com.google.android.gms",
"com.google.android.setupwizard",
"com.google.android.googlequicksearchbox",
"com.android.provision2"
};
private void loadLauncherApps() {
try {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
final List<UserInfo> users = mUserManager.getUsers();
for (int ui = users.size() - 1; ui >= 0; ui--) {
UserInfo user = users.get(ui);
if (DEBUG) Slog.d(TAG, "- loadLauncherApps() for user: " + user.id);
List<ResolveInfo> resolves =
mContext.getPackageManager().queryIntentActivitiesAsUser(intent, PackageManager.MATCH_DISABLED_COMPONENTS, user.id);
// Look for the original activity in the list...
final int N = resolves != null ? resolves.size() : 0;
for (int i=0; i<N; i++) {
final ResolveInfo candidate = resolves.get(i);
final ActivityInfo info = candidate.activityInfo;
if (info != null && info.packageName != null
&& !mLauncherAppList.contains(info.packageName)) {
mLauncherAppList.add(info.packageName);
}
Slog.d(TAG, "homeApp:" + info.packageName);
// using disable component instead of disable the whole app
// when enter/exit ultra-saving mode. See bug#819868
if (USE_COMPONENT) {
if (info != null && info.packageName != null
&& "com.inone.powersavemodelauncher".equals(info.packageName)) {
if (!mLauncherAppComponentList.contains(info.packageName)) {
mLauncherAppComponentList.add(info.packageName);
}
Slog.d(TAG, "homeComponent:" + info.packageName);
continue;
}
if (info != null && info.packageName != null) {
if (ArrayUtils.contains(mExceptionLauncherAppList, info.packageName)) {
if (DEBUG) Slog.d(TAG, "loadLauncherApps:" + info.packageName
+ " NOT a launcher app!");
continue;
}
ComponentName cn = new ComponentName(info.packageName, info.name);
String componetName = cn.flattenToShortString();
if (!mLauncherAppComponentList.contains(componetName)) {
mLauncherAppComponentList.add(componetName);
}
Slog.d(TAG, "homeComponent:" + componetName);
}
}
}
// using disable component instead of disable the whole app
// when enter/exit ultra-saving mode. See bug#819868
if (USE_COMPONENT) {
loadLauncherComponent(user.id);
}
}
/*check if contains the default launcher*/
for(String s : mDefaultLauncherAppList) {
if(!mLauncherAppList.contains(s)) {
mLauncherAppList.add(s);
}
}
// using disable component instead of disable the whole app
// when enter/exit ultra-saving mode. See bug#819868
if (USE_COMPONENT) {
/*check if contains the default launcher*/
for(String s : mDefaultLauncherAppComponentList) {
if(!mLauncherAppComponentList.contains(s)) {
mLauncherAppComponentList.add(s);
}
}
}
ResolveInfo resolvedHome = mContext.getPackageManager().resolveActivity(intent,
PackageManager.MATCH_DEFAULT_ONLY);
if (resolvedHome != null) {
mCurrentHomeLauncher = resolvedHome.activityInfo.packageName;
}
} catch (Exception e) {
Slog.d(TAG, "e:" + e);
}
//disbleLauncherAppIfNeed();
if (DEBUG) {
Slog.d(TAG, "mCurrentHomeLauncher:" + mCurrentHomeLauncher);
Slog.d(TAG, "mLauncherAppList: " + mLauncherAppList.size());
for (int i=0;i<mLauncherAppList.size();i++) {
Slog.d(TAG, "App:" + mLauncherAppList.get(i));
}
Slog.d(TAG, "mLauncherAppComponentList: " + mLauncherAppComponentList.size());
for (int i=0;i<mLauncherAppComponentList.size();i++) {
Slog.d(TAG, "Component:" + mLauncherAppComponentList.get(i));
}
}
}
private void loadLauncherComponent(int userId) {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
for (int i=0;i<mLauncherAppList.size();i++) {
String packageName = mLauncherAppList.get(i);
if (ArrayUtils.contains(mExceptionLauncherAppList, packageName)) {
if (DEBUG) Slog.d(TAG, "loadLauncherComponent:" + packageName
+ " NOT a launcher app!");
continue;
}
intent.setPackage(packageName);
List<ResolveInfo> resolves =
mContext.getPackageManager().queryIntentActivitiesAsUser(intent, PackageManager.MATCH_DISABLED_COMPONENTS, userId);
// Look for the original activity in the list...
final int SIZE = resolves != null ? resolves.size() : 0;
for (int n=0; n<SIZE; n++) {
final ResolveInfo candidate = resolves.get(n);
final ActivityInfo info = candidate.activityInfo;
if (info != null && info.packageName != null
&& "com.inone.powersavemode.launcher".equals(info.packageName)) {
if (!mLauncherAppComponentList.contains(info.packageName)) {
mLauncherAppComponentList.add(info.packageName);
}
Slog.d(TAG, "homeLauncherComponent:" + info.packageName);
continue;
}
if (info != null && info.packageName != null) {
ComponentName cn = new ComponentName(info.packageName, info.name);
String componetName = cn.flattenToShortString();
if (!mLauncherAppComponentList.contains(componetName)) {
mLauncherAppComponentList.add(componetName);
}
Slog.d(TAG, "homeLauncherComponent:" + componetName);
}
}
}
}
private boolean isLauncherApp(String pkgName) {
int index = mLauncherAppList.indexOf(pkgName);
if (index >= 0) {
return true;
}
return false;
}
3. 上层的桌面应用识别接口
主要根据 Intent.CATEGORY_HOME 进行条件过滤
public static String getLauncherApp(Context mContext) {
String result = "com.android.launcher3";
List<String> homeAppList = new ArrayList<String>();
PackageManager packageManager = mContext.getPackageManager();
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
List<ResolveInfo> resolveInfo = packageManager.queryIntentActivities(intent, 0);
if (resolveInfo != null && resolveInfo.size() > 0) {
for (ResolveInfo ri : resolveInfo) {
homeAppList.add(ri.activityInfo.packageName);
}
}
if (homeAppList != null && homeAppList.size() > 0) {
ActivityManager activityManager = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
List<RunningTaskInfo> tasksInfo = activityManager.getRunningTasks(20);
if (tasksInfo != null && tasksInfo.size() > 0) {
for (int i = 0; i < tasksInfo.size(); i++) {
if (homeAppList.contains(tasksInfo.get(i).topActivity.getPackageName())) {
result = tasksInfo.get(i).topActivity.getPackageName();
Log.d(TAG, "Current home app is " + result);
break;
}
}
}
}
return result;
}